tidealmanac
Mon, Sep 14

Tuesday, September 15, 2026

Composite Island, AK · NOAA 9452682 · MLLW · Local time (America/Juneau)

Wed, Sep 16

This is a subordinate station: NOAA predicts its highs and lows from a nearby reference station and publishes no curve for it. Nothing is interpolated.

Tides

  1. High4:53 AM14.6 ft4.43 m
  2. Low10:39 AM2.8 ft0.86 m
  3. High4:41 PM17.1 ft5.21 m
  4. Low11:26 PM0.4 ft0.12 m

Range 16.7 ft5.10 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:54 AM
Sunrise
6:35 AM
Solar noon
1:02 PM
Sunset
7:29 PM
Civil dusk
8:10 PM
Daylight
12h 54m

Computed from the station's coordinates (NOAA solar algorithm, ±1 min); not NOAA tide data. Sun calendars: sunupsundown.site.

Moon

Waxing crescent16% illuminated · day 3 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Sat, Sep 12H 2:49AM 17.7 ft5.41 mL 9:03AM -0.6 ft-0.18 mH 3:08PM 18.2 ft5.55 mL 9:29PM -0.7 ft-0.22 mSun, Sep 13H 3:30AM 16.9 ft5.16 mL 9:35AM 0.4 ft0.12 mH 3:39PM 18.2 ft5.55 mL 10:07PM -0.7 ft-0.22 mMon, Sep 14H 4:11AM 15.8 ft4.83 mL 10:08AM 1.6 ft0.47 mH 4:10PM 17.8 ft5.43 mL 10:46PM -0.3 ft-0.10 mTue, Sep 15H 4:53AM 14.6 ft4.43 mL 10:39AM 2.8 ft0.86 mH 4:41PM 17.1 ft5.21 mL 11:26PM 0.4 ft0.12 mWed, Sep 16H 5:38AM 13.2 ft4.02 mL 11:11AM 4.1 ft1.25 mH 5:14PM 16.2 ft4.92 mThu, Sep 17L 12:11AM 1.3 ft0.39 mH 6:30AM 11.9 ft3.62 mL 11:46AM 5.3 ft1.61 mH 5:53PM 15.1 ft4.59 mFri, Sep 18L 1:07AM 2.2 ft0.68 mH 7:42AM 10.8 ft3.30 mL 12:33PM 6.3 ft1.92 mH 6:45PM 14.0 ft4.27 m